Buy OEM Mercedes-Benz A/C and Heating Parts
The heater in your Mercedes-Benz not warming things up? Maybe the air conditioner isn't blowing cold? Most likely, one or another part needs replacing -- something you should do sooner rather than later, to keep spiraling repair costs down. Good thing you came to us here at MB Part Source; we stock replacement heating and AC parts for all Mercedes-Benz models, at competitive prices. Order today, and we'll ship fast, anywhere nationwide; you'll have repairs done in no time. Contact us with any questions.
Filter Dryer
Mercedes-Benz
099-835-00-00-28
Receiver drier. To condenser.
$96.00
MSRP $134.00
Save $38.00
28.4% Off 
Dampening, Main Floor
Mercedes-Benz
213-682-12-01
Under right rear heater duct.
$29.52
MSRP $40.00
Save $10.48
26.2% Off 
Hexalobular Screw
Mercedes-Benz
000000-002191
Retaining plate mount. M8X35 Diameter: 8mm Strength / hardness class: 8.8 Thread code letter: M Thread pitch: 1mm. Mounting, lock. Cross...
$2.62
MSRP $3.60
Save $0.98
27.2% Off Dampening, Main Floor
Mercedes-Benz
213-682-11-01-64
Under left rear heater duct.
$28.29
MSRP $38.50
Save $10.21
26.5% Off 
Flat Sealing Ring
Mercedes-Benz
029-997-29-45-64
Refrigerant line to compressor and condenser.
Cap Screw
Mercedes-Benz
010-990-50-04-64
M8X30 Diameter: 8mm Strength / hardness class: 8.8 Thread code letter: M Thread pitch: 1,25mm. A/C line mount. Ac lines at compressor....
$1.76
MSRP $2.40
Save $0.64
26.7% Off 
Fastening Parts
Mercedes-Benz
253-990-00-99-64
Heater to holder. Stationary heater mount parts kit.
DC-DC Converter
Mercedes-Benz
463-820-95-05
In right trunk. Converter. Control unit, windshield heater.
$246.24
MSRP $360.00
Save $113.76
31.6% Off 
Electrical Wiring Harness
Mercedes-Benz
213-540-05-54
Windshield heater. Heated windshield X18/28 TO Z68/45. Windshield heating.
Trim Molding
Mercedes-Benz
213-727-52-00
Door trim, rear door, right. Right door switch group. Seat heater,right.
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Mercedes-Benz AC and Heating FAQ
Why is the HVAC in My Mercedes-Benz Not Working Right?
Most likely, because of low or leaking coolant, a failed heater core, a defective AC compressor, or a bad AC condenser. You'll know one from the other by some key symptoms.
How Can I Tell if My Coolant's Low or Leaking?
Start your engine, setting the air conditioner and fans to max/high and listening for the compressor clutch to click. If the system runs too fast, the coolant's probably low. If your Mercedes-Benz isn't due for air conditioning service anytime soon, a leak's likely.
What are the Signs of Heater Core Failure?
The heater not blowing warm, the interior being steamy or smoky, the smell of coolant in the car, and the engine overheating. The core's hoses are the likely problem; they're probably leaking. If you need help with this or any other repairs, get in touch with a Mercedes-Benz service center.
How Can I Diagnose an AC Compressor Defect?
Look, listen, and feel. If the air conditioning sounds funny, if the cabin's warmer than usual, and if the AC clutch is stuck, it's probable. You'll know a bad clutch from connecting a voltmeter and getting no reading. Other causes of compressor trouble include low refrigerant pressure, a faulty cycling switch, and a blown fuse.
How Can I Tell if the AC Condenser in My Mercedes-Benz is Bad?
You'll know it from the HVAC warning light being lit, from frost starting to build up, from the AC button flashing, from the system having discharge pressure issues, and from the vents not blowing cold. If no air's coming through them at all, though, the blower motor's probably gone out. Other reasons for condenser issues include a failed cooling fan and a clogged cabin air filter.